- // MIR for `opt_i8` before SimplifyComparisonIntegral
+ // MIR for `opt_i8` after SimplifyComparisonIntegral
  
  fn opt_i8(_1: i8) -> u32 {
      debug x => _1;                       // in scope 0 at $DIR/if_condition_int.rs:+0:11: +0:12
      let mut _0: u32;                     // return place in scope 0 at $DIR/if_condition_int.rs:+0:21: +0:24
      let mut _2: bool;                    // in scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
      let mut _3: i8;                      // in scope 0 at $DIR/if_condition_int.rs:+1:8: +1:9
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
          StorageLive(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:9
          _3 = _1;                         // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:9
-         _2 = Eq(move _3, const 42_i8);   // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
-         StorageDead(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:14: +1:15
-         switchInt(move _2) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
+         nop;                             // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
+         nop;                             // scope 0 at $DIR/if_condition_int.rs:+1:14: +1:15
+         switchInt(move _3) -> [42: bb1, otherwise: bb2]; // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
      }
  
      bb1: {
+         StorageDead(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
          _0 = const 0_u32;                // scope 0 at $DIR/if_condition_int.rs:+1:18: +1:19
          goto -> bb3;                     // scope 0 at $DIR/if_condition_int.rs:+1:5: +1:32
      }
  
      bb2: {
+         StorageDead(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
          _0 = const 1_u32;                // scope 0 at $DIR/if_condition_int.rs:+1:29: +1:30
          goto -> bb3;                     // scope 0 at $DIR/if_condition_int.rs:+1:5: +1:32
      }
  
      bb3: {
          StorageDead(_2);                 // scope 0 at $DIR/if_condition_int.rs:+1:31: +1:32
          return;                          // scope 0 at $DIR/if_condition_int.rs:+2:2: +2:2
      }
  }
  
